/*
 * Copyright 2017-2021 original authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.micronaut.core.util;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.regex.Pattern;

/**
 * PathMatcher implementation for regex-style patterns.
 * @author Rafael Acevedo
 * @since 3.1
 */
public class RegexPathMatcher implements PathMatcher {
    private final Map<String, Pattern> compiledPatterns = new ConcurrentHashMap<>();

    @Override
    public boolean matches(String pattern, String source) {
        if (pattern == null || source == null) {
            return false;
        }
        return compiledPatterns.computeIfAbsent(pattern, Pattern::compile).matcher(source).matches();
    }
}
